Pyrolytic carbon resistors



A ril l0, 1956 TOPPARI PYROLYTC CARBON RESSTORS F11ed Au 21 1953 FIG.4

INVENTOR ATTORNEY 

1. A PYROLYTIC CARBON RESISTOR COMPRISING A BODY OF INSULATING MATERIAL WITH A CARBON FILM THEREON, A VARNISH COATING ON THE RESISTOR, AND AN OUTER PLASTIC CASE METHOD AROUND THE RESISTOR, SAID CASE BEING OF A PLASTIC CHEMICALLY INERT OR INACTIVE TO THE VARNISH DURING THE MOLDING OPERATION AND OF THE TYPE NOT EVOLVING WATER VAPOR DURING MOLDING. 